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-rw-r--r--xorg-server/xfixes/region.c1712
1 files changed, 855 insertions, 857 deletions
diff --git a/xorg-server/xfixes/region.c b/xorg-server/xfixes/region.c
index 795caf013..dc050c9fc 100644
--- a/xorg-server/xfixes/region.c
+++ b/xorg-server/xfixes/region.c
@@ -1,857 +1,855 @@
-/*
- * Copyright © 2003 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "xfixesint.h"
-#include "scrnintstr.h"
-#include <picturestr.h>
-extern int RenderErrBase;
-#include <regionstr.h>
-#include <gcstruct.h>
-#include <window.h>
-
-RESTYPE RegionResType;
-
-static int
-RegionResFree (pointer data, XID id)
-{
- RegionPtr pRegion = (RegionPtr) data;
-
- REGION_DESTROY (0, pRegion);
- return Success;
-}
-
-RegionPtr
-XFixesRegionCopy (RegionPtr pRegion)
-{
- RegionPtr pNew = REGION_CREATE (0, REGION_EXTENTS(0, pRegion),
- REGION_NUM_RECTS(pRegion));
- if (!pNew)
- return 0;
- if (!REGION_COPY (0, pNew, pRegion))
- {
- REGION_DESTROY (0, pNew);
- return 0;
- }
- return pNew;
-}
-
-Bool
-XFixesRegionInit (void)
-{
- RegionResType = CreateNewResourceType(RegionResFree, "XFixesRegion");
-
- return (RegionResType != 0);
-}
-
-int
-ProcXFixesCreateRegion (ClientPtr client)
-{
- int things;
- RegionPtr pRegion;
- REQUEST (xXFixesCreateRegionReq);
-
- REQUEST_AT_LEAST_SIZE(xXFixesCreateRegionReq);
- LEGAL_NEW_RESOURCE (stuff->region, client);
-
- things = (client->req_len << 2) - sizeof (xXFixesCreateRegionReq);
- if (things & 4)
- return BadLength;
- things >>= 3;
-
- pRegion = RECTS_TO_REGION(0, things, (xRectangle *) (stuff + 1), CT_UNSORTED);
- if (!pRegion)
- return BadAlloc;
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCreateRegion (ClientPtr client)
-{
- register int n;
- REQUEST(xXFixesCreateRegionReq);
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xXFixesCreateRegionReq);
- swapl(&stuff->region, n);
- SwapRestS(stuff);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCreateRegionFromBitmap (ClientPtr client)
-{
- RegionPtr pRegion;
- PixmapPtr pPixmap;
- int rc;
- REQUEST (xXFixesCreateRegionFromBitmapReq);
-
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromBitmapReq);
- LEGAL_NEW_RESOURCE (stuff->region, client);
-
- rc = dixLookupResourceByType((pointer *)&pPixmap, stuff->bitmap, RT_PIXMAP,
- client, DixReadAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->bitmap;
- return (rc == BadValue) ? BadPixmap : rc;
- }
- if (pPixmap->drawable.depth != 1)
- return BadMatch;
-
- pRegion = BITMAP_TO_REGION(pPixmap->drawable.pScreen, pPixmap);
-
- if (!pRegion)
- return BadAlloc;
-
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCreateRegionFromBitmap (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCreateRegionFromBitmapReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromBitmapReq);
- swapl(&stuff->region, n);
- swapl(&stuff->bitmap, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCreateRegionFromWindow (ClientPtr client)
-{
- RegionPtr pRegion;
- Bool copy = TRUE;
- WindowPtr pWin;
- int rc;
- REQUEST (xXFixesCreateRegionFromWindowReq);
-
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
- LEGAL_NEW_RESOURCE (stuff->region, client);
- rc = dixLookupResourceByType((pointer *)&pWin, stuff->window, RT_WINDOW,
- client, DixGetAttrAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->window;
- return (rc == BadValue) ? BadWindow : rc;
- }
- switch (stuff->kind) {
- case WindowRegionBounding:
- pRegion = wBoundingShape(pWin);
- if (!pRegion)
- {
- pRegion = CreateBoundingShape (pWin);
- copy = FALSE;
- }
- break;
- case WindowRegionClip:
- pRegion = wClipShape(pWin);
- if (!pRegion)
- {
- pRegion = CreateClipShape (pWin);
- copy = FALSE;
- }
- break;
- default:
- client->errorValue = stuff->kind;
- return BadValue;
- }
- if (copy && pRegion)
- pRegion = XFixesRegionCopy (pRegion);
- if (!pRegion)
- return BadAlloc;
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCreateRegionFromWindow (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCreateRegionFromWindowReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
- swapl(&stuff->region, n);
- swapl(&stuff->window, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCreateRegionFromGC (ClientPtr client)
-{
- RegionPtr pRegion, pClip;
- GCPtr pGC;
- int rc;
- REQUEST (xXFixesCreateRegionFromGCReq);
-
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromGCReq);
- LEGAL_NEW_RESOURCE (stuff->region, client);
-
- rc = dixLookupGC(&pGC, stuff->gc, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- switch (pGC->clientClipType) {
- case CT_PIXMAP:
- pRegion = BITMAP_TO_REGION(pGC->pScreen, (PixmapPtr) pGC->clientClip);
- if (!pRegion)
- return BadAlloc;
- break;
- case CT_REGION:
- pClip = (RegionPtr) pGC->clientClip;
- pRegion = XFixesRegionCopy (pClip);
- if (!pRegion)
- return BadAlloc;
- break;
- default:
- return BadImplementation; /* assume sane server bits */
- }
-
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCreateRegionFromGC (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCreateRegionFromGCReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromGCReq);
- swapl(&stuff->region, n);
- swapl(&stuff->gc, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCreateRegionFromPicture (ClientPtr client)
-{
- RegionPtr pRegion;
- PicturePtr pPicture;
- REQUEST (xXFixesCreateRegionFromPictureReq);
-
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromPictureReq);
- LEGAL_NEW_RESOURCE (stuff->region, client);
-
- VERIFY_PICTURE(pPicture, stuff->picture, client, DixGetAttrAccess,
- RenderErrBase + BadPicture);
-
- switch (pPicture->clientClipType) {
- case CT_PIXMAP:
- pRegion = BITMAP_TO_REGION(pPicture->pDrawable->pScreen,
- (PixmapPtr) pPicture->clientClip);
- if (!pRegion)
- return BadAlloc;
- break;
- case CT_REGION:
- pRegion = XFixesRegionCopy ((RegionPtr) pPicture->clientClip);
- if (!pRegion)
- return BadAlloc;
- break;
- default:
- return BadImplementation; /* assume sane server bits */
- }
-
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCreateRegionFromPicture (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCreateRegionFromPictureReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesCreateRegionFromPictureReq);
- swapl(&stuff->region, n);
- swapl(&stuff->picture, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesDestroyRegion (ClientPtr client)
-{
- REQUEST (xXFixesDestroyRegionReq);
- RegionPtr pRegion;
-
- REQUEST_SIZE_MATCH(xXFixesDestroyRegionReq);
- VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
- FreeResource (stuff->region, RT_NONE);
- return(client->noClientException);
-}
-
-int
-SProcXFixesDestroyRegion (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesDestroyRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesDestroyRegionReq);
- swapl (&stuff->region, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesSetRegion (ClientPtr client)
-{
- int things;
- RegionPtr pRegion, pNew;
- REQUEST (xXFixesSetRegionReq);
-
- REQUEST_AT_LEAST_SIZE(xXFixesSetRegionReq);
- VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
-
- things = (client->req_len << 2) - sizeof (xXFixesCreateRegionReq);
- if (things & 4)
- return BadLength;
- things >>= 3;
-
- pNew = RECTS_TO_REGION(0, things, (xRectangle *) (stuff + 1), CT_UNSORTED);
- if (!pNew)
- return BadAlloc;
- if (!REGION_COPY (0, pRegion, pNew))
- {
- REGION_DESTROY (0, pNew);
- return BadAlloc;
- }
- REGION_DESTROY (0, pNew);
- return(client->noClientException);
-}
-
-int
-SProcXFixesSetRegion (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesSetRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xXFixesSetRegionReq);
- swapl (&stuff->region, n);
- SwapRestS(stuff);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCopyRegion (ClientPtr client)
-{
- RegionPtr pSource, pDestination;
- REQUEST (xXFixesCopyRegionReq);
-
- VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
- VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
-
- if (!REGION_COPY(pScreen, pDestination, pSource))
- return BadAlloc;
-
- return(client->noClientException);
-}
-
-int
-SProcXFixesCopyRegion (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCopyRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xXFixesCopyRegionReq);
- swapl (&stuff->source, n);
- swapl (&stuff->destination, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesCombineRegion (ClientPtr client)
-{
- RegionPtr pSource1, pSource2, pDestination;
- int ret = Success;
- REQUEST (xXFixesCombineRegionReq);
-
- REQUEST_SIZE_MATCH (xXFixesCombineRegionReq);
- VERIFY_REGION(pSource1, stuff->source1, client, DixReadAccess);
- VERIFY_REGION(pSource2, stuff->source2, client, DixReadAccess);
- VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
-
- switch (stuff->xfixesReqType) {
- case X_XFixesUnionRegion:
- if (!REGION_UNION (0, pDestination, pSource1, pSource2))
- ret = BadAlloc;
- break;
- case X_XFixesIntersectRegion:
- if (!REGION_INTERSECT (0, pDestination, pSource1, pSource2))
- ret = BadAlloc;
- break;
- case X_XFixesSubtractRegion:
- if (!REGION_SUBTRACT (0, pDestination, pSource1, pSource2))
- ret = BadAlloc;
- break;
- }
-
- if (ret == Success)
- ret = client->noClientException;
- return ret;
-}
-
-int
-SProcXFixesCombineRegion (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesCombineRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesCombineRegionReq);
- swapl (&stuff->source1, n);
- swapl (&stuff->source2, n);
- swapl (&stuff->destination, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesInvertRegion (ClientPtr client)
-{
- RegionPtr pSource, pDestination;
- BoxRec bounds;
- int ret = Success;
- REQUEST(xXFixesInvertRegionReq);
-
- REQUEST_SIZE_MATCH(xXFixesInvertRegionReq);
- VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
- VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
-
- /* Compute bounds, limit to 16 bits */
- bounds.x1 = stuff->x;
- bounds.y1 = stuff->y;
- if ((int) stuff->x + (int) stuff->width > MAXSHORT)
- bounds.x2 = MAXSHORT;
- else
- bounds.x2 = stuff->x + stuff->width;
-
- if ((int) stuff->y + (int) stuff->height > MAXSHORT)
- bounds.y2 = MAXSHORT;
- else
- bounds.y2 = stuff->y + stuff->height;
-
- if (!REGION_INVERSE(0, pDestination, pSource, &bounds))
- ret = BadAlloc;
-
- if (ret == Success)
- ret = client->noClientException;
- return ret;
-}
-
-int
-SProcXFixesInvertRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesInvertRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesInvertRegionReq);
- swapl (&stuff->source, n);
- swaps (&stuff->x, n);
- swaps (&stuff->y, n);
- swaps (&stuff->width, n);
- swaps (&stuff->height, n);
- swapl (&stuff->destination, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesTranslateRegion (ClientPtr client)
-{
- RegionPtr pRegion;
- REQUEST(xXFixesTranslateRegionReq);
-
- REQUEST_SIZE_MATCH(xXFixesTranslateRegionReq);
- VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
-
- REGION_TRANSLATE(pScreen, pRegion, stuff->dx, stuff->dy);
- return (client->noClientException);
-}
-
-int
-SProcXFixesTranslateRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesTranslateRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesTranslateRegionReq);
- swapl (&stuff->region, n);
- swaps (&stuff->dx, n);
- swaps (&stuff->dy, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesRegionExtents (ClientPtr client)
-{
- RegionPtr pSource, pDestination;
- REQUEST(xXFixesRegionExtentsReq);
-
- REQUEST_SIZE_MATCH(xXFixesRegionExtentsReq);
- VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
- VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
-
- REGION_RESET (0, pDestination, REGION_EXTENTS (0, pSource));
-
- return (client->noClientException);
-}
-
-int
-SProcXFixesRegionExtents (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesRegionExtentsReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesRegionExtentsReq);
- swapl (&stuff->source, n);
- swapl (&stuff->destination, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesFetchRegion (ClientPtr client)
-{
- RegionPtr pRegion;
- xXFixesFetchRegionReply *reply;
- xRectangle *pRect;
- BoxPtr pExtent;
- BoxPtr pBox;
- int i, nBox;
- REQUEST(xXFixesFetchRegionReq);
-
- REQUEST_SIZE_MATCH(xXFixesFetchRegionReq);
- VERIFY_REGION(pRegion, stuff->region, client, DixReadAccess);
-
- pExtent = REGION_EXTENTS (0, pRegion);
- pBox = REGION_RECTS (pRegion);
- nBox = REGION_NUM_RECTS (pRegion);
-
- reply = xalloc (sizeof (xXFixesFetchRegionReply) +
- nBox * sizeof (xRectangle));
- if (!reply)
- return BadAlloc;
- reply->type = X_Reply;
- reply->sequenceNumber = client->sequence;
- reply->length = nBox << 1;
- reply->x = pExtent->x1;
- reply->y = pExtent->y1;
- reply->width = pExtent->x2 - pExtent->x1;
- reply->height = pExtent->y2 - pExtent->y1;
-
- pRect = (xRectangle *) (reply + 1);
- for (i = 0; i < nBox; i++)
- {
- pRect[i].x = pBox[i].x1;
- pRect[i].y = pBox[i].y1;
- pRect[i].width = pBox[i].x2 - pBox[i].x1;
- pRect[i].height = pBox[i].y2 - pBox[i].y1;
- }
- if (client->swapped)
- {
- int n;
- swaps (&reply->sequenceNumber, n);
- swapl (&reply->length, n);
- swaps (&reply->x, n);
- swaps (&reply->y, n);
- swaps (&reply->width, n);
- swaps (&reply->height, n);
- SwapShorts ((INT16 *) pRect, nBox * 4);
- }
- (void) WriteToClient(client, sizeof (xXFixesFetchRegionReply) +
- nBox * sizeof (xRectangle), (char *) reply);
- xfree (reply);
- return (client->noClientException);
-}
-
-int
-SProcXFixesFetchRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesFetchRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesFetchRegionReq);
- swapl (&stuff->region, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesSetGCClipRegion (ClientPtr client)
-{
- GCPtr pGC;
- RegionPtr pRegion;
- XID vals[2];
- int rc;
- REQUEST(xXFixesSetGCClipRegionReq);
- REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
-
- rc = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
-
- VERIFY_REGION_OR_NONE (pRegion, stuff->region, client, DixReadAccess);
-
- if (pRegion)
- {
- pRegion = XFixesRegionCopy (pRegion);
- if (!pRegion)
- return BadAlloc;
- }
-
- vals[0] = stuff->xOrigin;
- vals[1] = stuff->yOrigin;
- DoChangeGC (pGC, GCClipXOrigin|GCClipYOrigin, vals, 0);
- (*pGC->funcs->ChangeClip)(pGC, pRegion ? CT_REGION : CT_NONE, (pointer)pRegion, 0);
-
- return (client->noClientException);
-}
-
-int
-SProcXFixesSetGCClipRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesSetGCClipRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
- swapl (&stuff->gc, n);
- swapl (&stuff->region, n);
- swaps (&stuff->xOrigin, n);
- swaps (&stuff->yOrigin, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-typedef RegionPtr (*CreateDftPtr)(WindowPtr pWin);
-
-int
-ProcXFixesSetWindowShapeRegion (ClientPtr client)
-{
- WindowPtr pWin;
- ScreenPtr pScreen;
- RegionPtr pRegion;
- RegionPtr *pDestRegion;
- int rc;
- REQUEST(xXFixesSetWindowShapeRegionReq);
-
- REQUEST_SIZE_MATCH(xXFixesSetWindowShapeRegionReq);
- rc = dixLookupResourceByType((pointer *)&pWin, stuff->dest, RT_WINDOW,
- client, DixSetAttrAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->dest;
- return (rc == BadValue) ? BadWindow : rc;
- }
- VERIFY_REGION_OR_NONE(pRegion, stuff->region, client, DixWriteAccess);
- pScreen = pWin->drawable.pScreen;
- switch (stuff->destKind) {
- case ShapeBounding:
- case ShapeClip:
- case ShapeInput:
- break;
- default:
- client->errorValue = stuff->destKind;
- return BadValue;
- }
- if (pRegion)
- {
- pRegion = XFixesRegionCopy (pRegion);
- if (!pRegion)
- return BadAlloc;
- if (!pWin->optional)
- MakeWindowOptional (pWin);
- switch (stuff->destKind) {
- default:
- case ShapeBounding:
- pDestRegion = &pWin->optional->boundingShape;
- break;
- case ShapeClip:
- pDestRegion = &pWin->optional->clipShape;
- break;
- case ShapeInput:
- pDestRegion = &pWin->optional->inputShape;
- break;
- }
- if (stuff->xOff || stuff->yOff)
- REGION_TRANSLATE (0, pRegion, stuff->xOff, stuff->yOff);
- }
- else
- {
- if (pWin->optional)
- {
- switch (stuff->destKind) {
- default:
- case ShapeBounding:
- pDestRegion = &pWin->optional->boundingShape;
- break;
- case ShapeClip:
- pDestRegion = &pWin->optional->clipShape;
- break;
- case ShapeInput:
- pDestRegion = &pWin->optional->inputShape;
- break;
- }
- }
- else
- pDestRegion = &pRegion; /* a NULL region pointer */
- }
- if (*pDestRegion)
- REGION_DESTROY(pScreen, *pDestRegion);
- *pDestRegion = pRegion;
- (*pScreen->SetShape) (pWin);
- SendShapeNotify (pWin, stuff->destKind);
- return (client->noClientException);
-}
-
-int
-SProcXFixesSetWindowShapeRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesSetWindowShapeRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXFixesSetWindowShapeRegionReq);
- swapl (&stuff->dest, n);
- swaps (&stuff->xOff, n);
- swaps (&stuff->yOff, n);
- swapl (&stuff->region, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesSetPictureClipRegion (ClientPtr client)
-{
- PicturePtr pPicture;
- RegionPtr pRegion;
- ScreenPtr pScreen;
- PictureScreenPtr ps;
- REQUEST(xXFixesSetPictureClipRegionReq);
-
- REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
- VERIFY_PICTURE(pPicture, stuff->picture, client, DixSetAttrAccess,
- RenderErrBase + BadPicture);
- pScreen = pPicture->pDrawable->pScreen;
- ps = GetPictureScreen (pScreen);
- VERIFY_REGION_OR_NONE(pRegion, stuff->region, client, DixReadAccess);
-
- return SetPictureClipRegion (pPicture, stuff->xOrigin, stuff->yOrigin,
- pRegion);
-}
-
-int
-SProcXFixesSetPictureClipRegion (ClientPtr client)
-{
- int n;
- REQUEST(xXFixesSetPictureClipRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
- swapl (&stuff->picture, n);
- swapl (&stuff->region, n);
- swaps (&stuff->xOrigin, n);
- swaps (&stuff->yOrigin, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
-int
-ProcXFixesExpandRegion (ClientPtr client)
-{
- RegionPtr pSource, pDestination;
- int ret = Success;
- REQUEST (xXFixesExpandRegionReq);
- BoxPtr pTmp;
- BoxPtr pSrc;
- int nBoxes;
- int i;
-
- REQUEST_SIZE_MATCH (xXFixesExpandRegionReq);
- VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
- VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
-
- nBoxes = REGION_NUM_RECTS(pSource);
- pSrc = REGION_RECTS(pSource);
- if (nBoxes)
- {
- pTmp = xalloc (nBoxes * sizeof (BoxRec));
- if (!pTmp)
- return BadAlloc;
- for (i = 0; i < nBoxes; i++)
- {
- pTmp[i].x1 = pSrc[i].x1 - stuff->left;
- pTmp[i].x2 = pSrc[i].x2 + stuff->right;
- pTmp[i].y1 = pSrc[i].y1 - stuff->top;
- pTmp[i].y2 = pSrc[i].y2 + stuff->bottom;
- }
- REGION_EMPTY (pScreen, pDestination);
- for (i = 0; i < nBoxes; i++)
- {
- RegionRec r;
- REGION_INIT (pScreen, &r, &pTmp[i], 0);
- REGION_UNION (pScreen, pDestination, pDestination, &r);
- }
- xfree(pTmp);
- }
- if (ret == Success)
- ret = client->noClientException;
- return ret;
-}
-
-int
-SProcXFixesExpandRegion (ClientPtr client)
-{
- int n;
- REQUEST (xXFixesExpandRegionReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xXFixesExpandRegionReq);
- swapl (&stuff->source, n);
- swapl (&stuff->destination, n);
- swaps (&stuff->left, n);
- swaps (&stuff->right, n);
- swaps (&stuff->top, n);
- swaps (&stuff->bottom, n);
- return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
-}
-
+/*
+ * Copyright © 2003 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "xfixesint.h"
+#include "scrnintstr.h"
+#include <picturestr.h>
+extern int RenderErrBase;
+#include <regionstr.h>
+#include <gcstruct.h>
+#include <window.h>
+
+RESTYPE RegionResType;
+
+static int
+RegionResFree (pointer data, XID id)
+{
+ RegionPtr pRegion = (RegionPtr) data;
+
+ REGION_DESTROY (0, pRegion);
+ return Success;
+}
+
+RegionPtr
+XFixesRegionCopy (RegionPtr pRegion)
+{
+ RegionPtr pNew = REGION_CREATE (0, REGION_EXTENTS(0, pRegion),
+ REGION_NUM_RECTS(pRegion));
+ if (!pNew)
+ return 0;
+ if (!REGION_COPY (0, pNew, pRegion))
+ {
+ REGION_DESTROY (0, pNew);
+ return 0;
+ }
+ return pNew;
+}
+
+Bool
+XFixesRegionInit (void)
+{
+ RegionResType = CreateNewResourceType(RegionResFree, "XFixesRegion");
+
+ return (RegionResType != 0);
+}
+
+int
+ProcXFixesCreateRegion (ClientPtr client)
+{
+ int things;
+ RegionPtr pRegion;
+ REQUEST (xXFixesCreateRegionReq);
+
+ REQUEST_AT_LEAST_SIZE(xXFixesCreateRegionReq);
+ LEGAL_NEW_RESOURCE (stuff->region, client);
+
+ things = (client->req_len << 2) - sizeof (xXFixesCreateRegionReq);
+ if (things & 4)
+ return BadLength;
+ things >>= 3;
+
+ pRegion = RECTS_TO_REGION(0, things, (xRectangle *) (stuff + 1), CT_UNSORTED);
+ if (!pRegion)
+ return BadAlloc;
+ if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCreateRegion (ClientPtr client)
+{
+ register int n;
+ REQUEST(xXFixesCreateRegionReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xXFixesCreateRegionReq);
+ swapl(&stuff->region, n);
+ SwapRestS(stuff);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCreateRegionFromBitmap (ClientPtr client)
+{
+ RegionPtr pRegion;
+ PixmapPtr pPixmap;
+ int rc;
+ REQUEST (xXFixesCreateRegionFromBitmapReq);
+
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromBitmapReq);
+ LEGAL_NEW_RESOURCE (stuff->region, client);
+
+ rc = dixLookupResourceByType((pointer *)&pPixmap, stuff->bitmap, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->bitmap;
+ return (rc == BadValue) ? BadPixmap : rc;
+ }
+ if (pPixmap->drawable.depth != 1)
+ return BadMatch;
+
+ pRegion = BITMAP_TO_REGION(pPixmap->drawable.pScreen, pPixmap);
+
+ if (!pRegion)
+ return BadAlloc;
+
+ if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCreateRegionFromBitmap (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCreateRegionFromBitmapReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromBitmapReq);
+ swapl(&stuff->region, n);
+ swapl(&stuff->bitmap, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCreateRegionFromWindow (ClientPtr client)
+{
+ RegionPtr pRegion;
+ Bool copy = TRUE;
+ WindowPtr pWin;
+ int rc;
+ REQUEST (xXFixesCreateRegionFromWindowReq);
+
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
+ LEGAL_NEW_RESOURCE (stuff->region, client);
+ rc = dixLookupResourceByType((pointer *)&pWin, stuff->window, RT_WINDOW,
+ client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->window;
+ return (rc == BadValue) ? BadWindow : rc;
+ }
+ switch (stuff->kind) {
+ case WindowRegionBounding:
+ pRegion = wBoundingShape(pWin);
+ if (!pRegion)
+ {
+ pRegion = CreateBoundingShape (pWin);
+ copy = FALSE;
+ }
+ break;
+ case WindowRegionClip:
+ pRegion = wClipShape(pWin);
+ if (!pRegion)
+ {
+ pRegion = CreateClipShape (pWin);
+ copy = FALSE;
+ }
+ break;
+ default:
+ client->errorValue = stuff->kind;
+ return BadValue;
+ }
+ if (copy && pRegion)
+ pRegion = XFixesRegionCopy (pRegion);
+ if (!pRegion)
+ return BadAlloc;
+ if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCreateRegionFromWindow (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCreateRegionFromWindowReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
+ swapl(&stuff->region, n);
+ swapl(&stuff->window, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCreateRegionFromGC (ClientPtr client)
+{
+ RegionPtr pRegion, pClip;
+ GCPtr pGC;
+ int rc;
+ REQUEST (xXFixesCreateRegionFromGCReq);
+
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromGCReq);
+ LEGAL_NEW_RESOURCE (stuff->region, client);
+
+ rc = dixLookupGC(&pGC, stuff->gc, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ switch (pGC->clientClipType) {
+ case CT_PIXMAP:
+ pRegion = BITMAP_TO_REGION(pGC->pScreen, (PixmapPtr) pGC->clientClip);
+ if (!pRegion)
+ return BadAlloc;
+ break;
+ case CT_REGION:
+ pClip = (RegionPtr) pGC->clientClip;
+ pRegion = XFixesRegionCopy (pClip);
+ if (!pRegion)
+ return BadAlloc;
+ break;
+ default:
+ return BadImplementation; /* assume sane server bits */
+ }
+
+ if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCreateRegionFromGC (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCreateRegionFromGCReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromGCReq);
+ swapl(&stuff->region, n);
+ swapl(&stuff->gc, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCreateRegionFromPicture (ClientPtr client)
+{
+ RegionPtr pRegion;
+ PicturePtr pPicture;
+ REQUEST (xXFixesCreateRegionFromPictureReq);
+
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromPictureReq);
+ LEGAL_NEW_RESOURCE (stuff->region, client);
+
+ VERIFY_PICTURE(pPicture, stuff->picture, client, DixGetAttrAccess);
+
+ switch (pPicture->clientClipType) {
+ case CT_PIXMAP:
+ pRegion = BITMAP_TO_REGION(pPicture->pDrawable->pScreen,
+ (PixmapPtr) pPicture->clientClip);
+ if (!pRegion)
+ return BadAlloc;
+ break;
+ case CT_REGION:
+ pRegion = XFixesRegionCopy ((RegionPtr) pPicture->clientClip);
+ if (!pRegion)
+ return BadAlloc;
+ break;
+ default:
+ return BadImplementation; /* assume sane server bits */
+ }
+
+ if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCreateRegionFromPicture (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCreateRegionFromPictureReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesCreateRegionFromPictureReq);
+ swapl(&stuff->region, n);
+ swapl(&stuff->picture, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesDestroyRegion (ClientPtr client)
+{
+ REQUEST (xXFixesDestroyRegionReq);
+ RegionPtr pRegion;
+
+ REQUEST_SIZE_MATCH(xXFixesDestroyRegionReq);
+ VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
+ FreeResource (stuff->region, RT_NONE);
+ return(client->noClientException);
+}
+
+int
+SProcXFixesDestroyRegion (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesDestroyRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesDestroyRegionReq);
+ swapl (&stuff->region, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesSetRegion (ClientPtr client)
+{
+ int things;
+ RegionPtr pRegion, pNew;
+ REQUEST (xXFixesSetRegionReq);
+
+ REQUEST_AT_LEAST_SIZE(xXFixesSetRegionReq);
+ VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
+
+ things = (client->req_len << 2) - sizeof (xXFixesCreateRegionReq);
+ if (things & 4)
+ return BadLength;
+ things >>= 3;
+
+ pNew = RECTS_TO_REGION(0, things, (xRectangle *) (stuff + 1), CT_UNSORTED);
+ if (!pNew)
+ return BadAlloc;
+ if (!REGION_COPY (0, pRegion, pNew))
+ {
+ REGION_DESTROY (0, pNew);
+ return BadAlloc;
+ }
+ REGION_DESTROY (0, pNew);
+ return(client->noClientException);
+}
+
+int
+SProcXFixesSetRegion (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesSetRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xXFixesSetRegionReq);
+ swapl (&stuff->region, n);
+ SwapRestS(stuff);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCopyRegion (ClientPtr client)
+{
+ RegionPtr pSource, pDestination;
+ REQUEST (xXFixesCopyRegionReq);
+
+ VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
+ VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
+
+ if (!REGION_COPY(pScreen, pDestination, pSource))
+ return BadAlloc;
+
+ return(client->noClientException);
+}
+
+int
+SProcXFixesCopyRegion (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCopyRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xXFixesCopyRegionReq);
+ swapl (&stuff->source, n);
+ swapl (&stuff->destination, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesCombineRegion (ClientPtr client)
+{
+ RegionPtr pSource1, pSource2, pDestination;
+ int ret = Success;
+ REQUEST (xXFixesCombineRegionReq);
+
+ REQUEST_SIZE_MATCH (xXFixesCombineRegionReq);
+ VERIFY_REGION(pSource1, stuff->source1, client, DixReadAccess);
+ VERIFY_REGION(pSource2, stuff->source2, client, DixReadAccess);
+ VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
+
+ switch (stuff->xfixesReqType) {
+ case X_XFixesUnionRegion:
+ if (!REGION_UNION (0, pDestination, pSource1, pSource2))
+ ret = BadAlloc;
+ break;
+ case X_XFixesIntersectRegion:
+ if (!REGION_INTERSECT (0, pDestination, pSource1, pSource2))
+ ret = BadAlloc;
+ break;
+ case X_XFixesSubtractRegion:
+ if (!REGION_SUBTRACT (0, pDestination, pSource1, pSource2))
+ ret = BadAlloc;
+ break;
+ }
+
+ if (ret == Success)
+ ret = client->noClientException;
+ return ret;
+}
+
+int
+SProcXFixesCombineRegion (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesCombineRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesCombineRegionReq);
+ swapl (&stuff->source1, n);
+ swapl (&stuff->source2, n);
+ swapl (&stuff->destination, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesInvertRegion (ClientPtr client)
+{
+ RegionPtr pSource, pDestination;
+ BoxRec bounds;
+ int ret = Success;
+ REQUEST(xXFixesInvertRegionReq);
+
+ REQUEST_SIZE_MATCH(xXFixesInvertRegionReq);
+ VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
+ VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
+
+ /* Compute bounds, limit to 16 bits */
+ bounds.x1 = stuff->x;
+ bounds.y1 = stuff->y;
+ if ((int) stuff->x + (int) stuff->width > MAXSHORT)
+ bounds.x2 = MAXSHORT;
+ else
+ bounds.x2 = stuff->x + stuff->width;
+
+ if ((int) stuff->y + (int) stuff->height > MAXSHORT)
+ bounds.y2 = MAXSHORT;
+ else
+ bounds.y2 = stuff->y + stuff->height;
+
+ if (!REGION_INVERSE(0, pDestination, pSource, &bounds))
+ ret = BadAlloc;
+
+ if (ret == Success)
+ ret = client->noClientException;
+ return ret;
+}
+
+int
+SProcXFixesInvertRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesInvertRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesInvertRegionReq);
+ swapl (&stuff->source, n);
+ swaps (&stuff->x, n);
+ swaps (&stuff->y, n);
+ swaps (&stuff->width, n);
+ swaps (&stuff->height, n);
+ swapl (&stuff->destination, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesTranslateRegion (ClientPtr client)
+{
+ RegionPtr pRegion;
+ REQUEST(xXFixesTranslateRegionReq);
+
+ REQUEST_SIZE_MATCH(xXFixesTranslateRegionReq);
+ VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
+
+ REGION_TRANSLATE(pScreen, pRegion, stuff->dx, stuff->dy);
+ return (client->noClientException);
+}
+
+int
+SProcXFixesTranslateRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesTranslateRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesTranslateRegionReq);
+ swapl (&stuff->region, n);
+ swaps (&stuff->dx, n);
+ swaps (&stuff->dy, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesRegionExtents (ClientPtr client)
+{
+ RegionPtr pSource, pDestination;
+ REQUEST(xXFixesRegionExtentsReq);
+
+ REQUEST_SIZE_MATCH(xXFixesRegionExtentsReq);
+ VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
+ VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
+
+ REGION_RESET (0, pDestination, REGION_EXTENTS (0, pSource));
+
+ return (client->noClientException);
+}
+
+int
+SProcXFixesRegionExtents (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesRegionExtentsReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesRegionExtentsReq);
+ swapl (&stuff->source, n);
+ swapl (&stuff->destination, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesFetchRegion (ClientPtr client)
+{
+ RegionPtr pRegion;
+ xXFixesFetchRegionReply *reply;
+ xRectangle *pRect;
+ BoxPtr pExtent;
+ BoxPtr pBox;
+ int i, nBox;
+ REQUEST(xXFixesFetchRegionReq);
+
+ REQUEST_SIZE_MATCH(xXFixesFetchRegionReq);
+ VERIFY_REGION(pRegion, stuff->region, client, DixReadAccess);
+
+ pExtent = REGION_EXTENTS (0, pRegion);
+ pBox = REGION_RECTS (pRegion);
+ nBox = REGION_NUM_RECTS (pRegion);
+
+ reply = xalloc (sizeof (xXFixesFetchRegionReply) +
+ nBox * sizeof (xRectangle));
+ if (!reply)
+ return BadAlloc;
+ reply->type = X_Reply;
+ reply->sequenceNumber = client->sequence;
+ reply->length = nBox << 1;
+ reply->x = pExtent->x1;
+ reply->y = pExtent->y1;
+ reply->width = pExtent->x2 - pExtent->x1;
+ reply->height = pExtent->y2 - pExtent->y1;
+
+ pRect = (xRectangle *) (reply + 1);
+ for (i = 0; i < nBox; i++)
+ {
+ pRect[i].x = pBox[i].x1;
+ pRect[i].y = pBox[i].y1;
+ pRect[i].width = pBox[i].x2 - pBox[i].x1;
+ pRect[i].height = pBox[i].y2 - pBox[i].y1;
+ }
+ if (client->swapped)
+ {
+ int n;
+ swaps (&reply->sequenceNumber, n);
+ swapl (&reply->length, n);
+ swaps (&reply->x, n);
+ swaps (&reply->y, n);
+ swaps (&reply->width, n);
+ swaps (&reply->height, n);
+ SwapShorts ((INT16 *) pRect, nBox * 4);
+ }
+ (void) WriteToClient(client, sizeof (xXFixesFetchRegionReply) +
+ nBox * sizeof (xRectangle), (char *) reply);
+ xfree (reply);
+ return (client->noClientException);
+}
+
+int
+SProcXFixesFetchRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesFetchRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesFetchRegionReq);
+ swapl (&stuff->region, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesSetGCClipRegion (ClientPtr client)
+{
+ GCPtr pGC;
+ RegionPtr pRegion;
+ XID vals[2];
+ int rc;
+ REQUEST(xXFixesSetGCClipRegionReq);
+ REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
+
+ rc = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ VERIFY_REGION_OR_NONE (pRegion, stuff->region, client, DixReadAccess);
+
+ if (pRegion)
+ {
+ pRegion = XFixesRegionCopy (pRegion);
+ if (!pRegion)
+ return BadAlloc;
+ }
+
+ vals[0] = stuff->xOrigin;
+ vals[1] = stuff->yOrigin;
+ DoChangeGC (pGC, GCClipXOrigin|GCClipYOrigin, vals, 0);
+ (*pGC->funcs->ChangeClip)(pGC, pRegion ? CT_REGION : CT_NONE, (pointer)pRegion, 0);
+
+ return (client->noClientException);
+}
+
+int
+SProcXFixesSetGCClipRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesSetGCClipRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
+ swapl (&stuff->gc, n);
+ swapl (&stuff->region, n);
+ swaps (&stuff->xOrigin, n);
+ swaps (&stuff->yOrigin, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+typedef RegionPtr (*CreateDftPtr)(WindowPtr pWin);
+
+int
+ProcXFixesSetWindowShapeRegion (ClientPtr client)
+{
+ WindowPtr pWin;
+ ScreenPtr pScreen;
+ RegionPtr pRegion;
+ RegionPtr *pDestRegion;
+ int rc;
+ REQUEST(xXFixesSetWindowShapeRegionReq);
+
+ REQUEST_SIZE_MATCH(xXFixesSetWindowShapeRegionReq);
+ rc = dixLookupResourceByType((pointer *)&pWin, stuff->dest, RT_WINDOW,
+ client, DixSetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->dest;
+ return (rc == BadValue) ? BadWindow : rc;
+ }
+ VERIFY_REGION_OR_NONE(pRegion, stuff->region, client, DixWriteAccess);
+ pScreen = pWin->drawable.pScreen;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ case ShapeClip:
+ case ShapeInput:
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ if (pRegion)
+ {
+ pRegion = XFixesRegionCopy (pRegion);
+ if (!pRegion)
+ return BadAlloc;
+ if (!pWin->optional)
+ MakeWindowOptional (pWin);
+ switch (stuff->destKind) {
+ default:
+ case ShapeBounding:
+ pDestRegion = &pWin->optional->boundingShape;
+ break;
+ case ShapeClip:
+ pDestRegion = &pWin->optional->clipShape;
+ break;
+ case ShapeInput:
+ pDestRegion = &pWin->optional->inputShape;
+ break;
+ }
+ if (stuff->xOff || stuff->yOff)
+ REGION_TRANSLATE (0, pRegion, stuff->xOff, stuff->yOff);
+ }
+ else
+ {
+ if (pWin->optional)
+ {
+ switch (stuff->destKind) {
+ default:
+ case ShapeBounding:
+ pDestRegion = &pWin->optional->boundingShape;
+ break;
+ case ShapeClip:
+ pDestRegion = &pWin->optional->clipShape;
+ break;
+ case ShapeInput:
+ pDestRegion = &pWin->optional->inputShape;
+ break;
+ }
+ }
+ else
+ pDestRegion = &pRegion; /* a NULL region pointer */
+ }
+ if (*pDestRegion)
+ REGION_DESTROY(pScreen, *pDestRegion);
+ *pDestRegion = pRegion;
+ (*pScreen->SetShape) (pWin);
+ SendShapeNotify (pWin, stuff->destKind);
+ return (client->noClientException);
+}
+
+int
+SProcXFixesSetWindowShapeRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesSetWindowShapeRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXFixesSetWindowShapeRegionReq);
+ swapl (&stuff->dest, n);
+ swaps (&stuff->xOff, n);
+ swaps (&stuff->yOff, n);
+ swapl (&stuff->region, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesSetPictureClipRegion (ClientPtr client)
+{
+ PicturePtr pPicture;
+ RegionPtr pRegion;
+ ScreenPtr pScreen;
+ PictureScreenPtr ps;
+ REQUEST(xXFixesSetPictureClipRegionReq);
+
+ REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
+ VERIFY_PICTURE(pPicture, stuff->picture, client, DixSetAttrAccess);
+ pScreen = pPicture->pDrawable->pScreen;
+ ps = GetPictureScreen (pScreen);
+ VERIFY_REGION_OR_NONE(pRegion, stuff->region, client, DixReadAccess);
+
+ return SetPictureClipRegion (pPicture, stuff->xOrigin, stuff->yOrigin,
+ pRegion);
+}
+
+int
+SProcXFixesSetPictureClipRegion (ClientPtr client)
+{
+ int n;
+ REQUEST(xXFixesSetPictureClipRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
+ swapl (&stuff->picture, n);
+ swapl (&stuff->region, n);
+ swaps (&stuff->xOrigin, n);
+ swaps (&stuff->yOrigin, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
+int
+ProcXFixesExpandRegion (ClientPtr client)
+{
+ RegionPtr pSource, pDestination;
+ int ret = Success;
+ REQUEST (xXFixesExpandRegionReq);
+ BoxPtr pTmp;
+ BoxPtr pSrc;
+ int nBoxes;
+ int i;
+
+ REQUEST_SIZE_MATCH (xXFixesExpandRegionReq);
+ VERIFY_REGION(pSource, stuff->source, client, DixReadAccess);
+ VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
+
+ nBoxes = REGION_NUM_RECTS(pSource);
+ pSrc = REGION_RECTS(pSource);
+ if (nBoxes)
+ {
+ pTmp = xalloc (nBoxes * sizeof (BoxRec));
+ if (!pTmp)
+ return BadAlloc;
+ for (i = 0; i < nBoxes; i++)
+ {
+ pTmp[i].x1 = pSrc[i].x1 - stuff->left;
+ pTmp[i].x2 = pSrc[i].x2 + stuff->right;
+ pTmp[i].y1 = pSrc[i].y1 - stuff->top;
+ pTmp[i].y2 = pSrc[i].y2 + stuff->bottom;
+ }
+ REGION_EMPTY (pScreen, pDestination);
+ for (i = 0; i < nBoxes; i++)
+ {
+ RegionRec r;
+ REGION_INIT (pScreen, &r, &pTmp[i], 0);
+ REGION_UNION (pScreen, pDestination, pDestination, &r);
+ }
+ xfree(pTmp);
+ }
+ if (ret == Success)
+ ret = client->noClientException;
+ return ret;
+}
+
+int
+SProcXFixesExpandRegion (ClientPtr client)
+{
+ int n;
+ REQUEST (xXFixesExpandRegionReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xXFixesExpandRegionReq);
+ swapl (&stuff->source, n);
+ swapl (&stuff->destination, n);
+ swaps (&stuff->left, n);
+ swaps (&stuff->right, n);
+ swaps (&stuff->top, n);
+ swaps (&stuff->bottom, n);
+ return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 03:08:01 +0000